User profiles for Thomas Sonar

Thomas Sonar

Professor Mathematik, TU Braunschweig
Verified email at tu-bs.de
Cited by 2144

Finite volume methods for hyperbolic conservation laws

KW Morton, T Sonar - Acta Numerica, 2007 - cambridge.org
Finite volume methods apply directly to the conservation law form of a differential equation
system; and they commonly yield cell average approximations to the unknowns rather than …

Asymptotic adaptive methods for multi-scale problems in fluid mechanics

…, S Roller, A Meister, L Hoffmann, T Sonar - Journal of Engineering …, 2001 - Springer
This paper reports on the results of a three-year research effort aimed at investigating and
exploiting the role of physically motivated asymptotic analysis in the design of numerical …

Summation-by-parts operators for correction procedure via reconstruction

H Ranocha, P Öffner, T Sonar - Journal of Computational Physics, 2016 - Elsevier
The correction procedure via reconstruction (CPR, formerly known as flux reconstruction) is
a framework of high order methods for conservation laws, unifying some discontinuous …

On the construction of essentially non-oscillatory finite volume approximations to hyperbolic conservation laws on general triangulations: polynomial recovery …

T Sonar - Computer methods in applied mechanics and …, 1997 - Elsevier
We develop essentially non-oscillatory (ENO) finite volume methods on conforming triangulations
for the numerical solution of hyperbolic conservation laws. Besides theoretical results …

[BOOK][B] Handbook of geomathematics

W Freeden, MZ Nashed, T Sonar - 2010 - books.google.com
During the last three decades geosciences and geo-engineering were influenced by two
essential scenarios: First, the technological progress has changed completely the …

[BOOK][B] The History of the Priority Di∫ pute Between Newton and Leibniz: Mathematics in History and Culture

T Sonar - 2018 - books.google.com
This book provides a thrilling history of the famous priority dispute between Gottfried Wilhelm
Leibniz and Isaac Newton, presenting the episode for the first time in the context of cultural …

Optimal recovery using thin plate splines in finite volume methods for the numerical solution of hyperbolic conservation laws

T Sonar - IMA Journal of Numerical Analysis, 1996 - academic.oup.com
The theory of optimal recovery is applied to finite volume methods for the numerical solution
of conservation laws in multiple space dimensions. Classical polynomial EN0 (essentially …

Stability of artificial dissipation and modal filtering for flux reconstruction schemes using summation-by-parts operators

H Ranocha, J Glaubitz, P Öffner, T Sonar - Applied Numerical Mathematics, 2018 - Elsevier
The flux reconstruction is a framework of high order semidiscretisations used for the numerical
solution of hyperbolic conservation laws. Using a reformulation of these schemes relying …

[BOOK][B] Mathematical models of fluid dynamics: Modelling, theory, basic numerical facts-An introduction

R Ansorge, T Sonar - 2009 - books.google.com
… Finally, I wish to thank several colleagues for suggestions, particularly Thomas Sonar, who
contributed to Chapter 7 when we organized a joint course for graduate students,1) and Dr. …

On the structure of function spaces in optimal recovery of point functionals for ENO-schemes by radial basis functions

A Iske, T Sonar - Numerische Mathematik, 1996 - Springer
Radial basis functions are used in the recovery step of finite volume methods for the
numerical solution of conservation laws. Being conditionally positive definite such functions …